/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: Lenovo
 * Date: 2025-03-27
 * Time: 16:03
 */
public class Main {
    public static void main(String[] args) {
        Duck duck = new Duck();
        duck.swim();//鸭子游泳...
        duck.fly();//鸭子飞...
        duck.quack();//鸭子嘎嘎声...
    }
}
